115218361406 has 32 divisors (see below), whose sum is σ = 177828618240. Its totient is φ = 55961208000.

The previous prime is 115218361399. The next prime is 115218361429. The reversal of 115218361406 is 604163812511.

It is a self number, because there is not a number n which added to its sum of digits gives 115218361406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20422346 + ... + 20427986.

It is an arithmetic number, because the mean of its divisors is an integer number (5557144320).

Almost surely, 2^115218361406 is an apocalyptic number.

115218361406 is a deficient number, since it is larger than the sum of its proper divisors (62610256834).

115218361406 is a wasteful number, since it uses less digits than its factorization.

115218361406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7280.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 115218361406 in words is "one hundred fifteen billion, two hundred eighteen million, three hundred sixty-one thousand, four hundred six".